This layer contains the official orthophotos covering the national territory of Luxemburg, and that have been produced following a surveying flight in summer 2013 under the responsibility of the administration du cadastre et de la topographie.

This layer contains the official orthophotos covering the national territory of Luxemburg, and that have been produced following a surveying flight in summer 2016 under the responsibility of the administration du cadastre et de la topographie.

This layer contains the official orthophotos covering the national territory of Luxemburg, and that have been produced following a surveying flight in autumn 2007 under the responsibility of the administration du cadastre et de la topographie.

Luxembourg has designated its whole territory as vulnerable zone according to article 3, paragraph 2 of the Nitrates Directive 91/676/EEC.

The "good ecological potential" is the environmental quality objective defined by the water framework directive for artificial and heavily modified surface water bodies. The ecological potential is assessed in four classes ranging from 1 to 4 (good and higher, moderate, poor, bad). The classification of the ecological potential is based on the biological, physico-chemical and in some cases also the hydromorphological quality elements.

The ecological status of the natural waterbodies is assessed in 5 classes going from 1 to 5 (high, good, moderate, poor, bad). The classification of the ecological status is based on the biological quality elements, physico-chemical quality elements and in some cases also the hydromorphological quality elements.

The chemical status of the surface water bodies is assessed as being good or failing to achieve good chemical status. The assessment of the chemical status for the second river basin management plan is based on the list of substances of directive 2008/105/EC as well as its environmental quality standards.

Quantitative status of the water bodies 2009

According to the Bathing Water Directive 2006/7/CE were designated 3 bathing water groups in Luxembourg : the reservoir of the Upper Sure , the swimming pond in Remerschen and the swimming pond in Weiswampach which are surveyed at 12 bathing water sites. Every year before the start of the bathing season the list of bathing waters will be published in the Luxembourg press. The bathing season in Luxembourg extends from May 1 to September 30. Legally, the Bathing Water Directive was implemented in Luxemburgish Law with the regulation of the 19th of May 2009 regarding the Bathing Water ( règlement grand-ducal du 19 mai 2009 modifié concernant les eaux de baigande ) into Luxembourg law.

A groundwater body is a distinctive volume of groundwater inside one or more aquifers. The identification of a groundwater body is made by geological criteria. A groundwater body is a management unit in order to evaluate the environmental objectives (good status) according to article 6 of the national water law of the 19th December 2008.